Ethane to vcm patent
WebA dual system comprising two catalytic reactors connected in series was developed for the direct conversion of ethene to vinyl chloride monomer (VCM). The first reactor uses ZrO2-supported ceria (CeO2/ZrO2) to perform ethene oxychlorination to 1,2-dichloroethene (EDC) that is dehydrochlorinated to VCM in the Catalysis Science &; Technology 10th … WebMay 14, 2002 · U.S. Pat. No. 5,097,083 entitled “PROCESS FOR THE CHLORINATION OF ETHANE” which issued on Mar. 17, 1992 to John E. Stauffer describes chlorocarbons as a chlorine source in an ethane-to-VCM process. This patent describes methods where chlorohydrocarbons may be used to capture HCl for subsequent use in the production of …
Ethane to vcm patent
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WebVinyl Chloride Production - The University of Oklahoma WebApr 27, 1995 · The purpose of this invention is to describe a new process for the manufacture of choroethene (C.sub.2 H.sub.3 Cl). This new process involves the use or ethylene (C.sub.2 H.sub.4) as a feedstock. Highly chlorinated ethenes or methanes are used as chlorinating agents. The corresponding less chlorinated ethenes or methanes are …
Web[0001] The present invention relates to a process for the production of vinyl chloride monomer (VCM) from ethane via oxychlorination of ethane. More particularly, the … Web4. The molar ratio of chlorine to ethane is from 0.2 to 1.2:1, and the molar ratio of oxygen to ethane is from 0.005 to 0.5:1. The hot gaseous mixture is introduced into reaction chamber 6 of gas-gas reactor 5. Ethane gas in line 7 is preheated in heat exchanger 8, and enters reactor chamber 6 simultaneously with the stream of chlorine and oxygen.
WebPCT Patent Publication WO 98/05620 describes the production of acetic acid and/or vinyl acetate from ethylene (or ethane) using a first catalyst active for the oxidation of … Webmake VCM. The process combines direct chlorination with oxychlorination of ethylene to make ethylene dichloride (EDC – also, dichloroethane). 1) C 2H 4 + Cl 2? C 2H 4Cl 2 2) …
WebWe claim: 1. The process for making vinyl chloride from ethane comprising the steps of: a. reacting a gaseous stream containing ethane, chlorine and oxygen in mol ratio of chlorine to ethane of from about 0.4:1 to 0.6:1, and oxygen to ethane in mol ratio of from about 0.1:1 to 0.4:1, under non-catalytic, autothermic conditions at a temperature within the range of …
WebOct 6, 2000 · A method of manufacturing vinyl chloride, comprising the steps of:(a) generating a reactor effluent stream by catalytically reacting together ethane, ethylene, oxygen, and at least one chlorine source of hydrogen chloride, chlorine, or a chlorohydrocarbon, wherein the molar ratio of said ethane to said ethylene is between … austin lasa logoWeb291302587 - EP 1235770 A1 20020904 - PROCESS FOR VINYL CHLORIDE MANUFACTURE FROM ETHANE AND ETHYLENE - [origin: WO0138274A1] A process for producing vinyl chloride monomer from ethylene and ethane having input of significant quantities of both ethane and ethylene in input streams to the affiliated reactor where … garcía sánchez y zapata 2008WebVinyl chloride is an organochloride with the formula H 2 C = CHCl. It is also called vinyl chloride monomer ( VCM) or chloroethene. This colorless compound is an important industrial chemical chiefly used to produce the polymer, poly (vinyl chloride) (PVC). Vinyl chloride monomer is among the top twenty largest petrochemicals ( petroleum ... austin lavalleyWebVCM from Ethane Becomes Profitable. Vinyl chloride monomer (VCM) is the building block for the popular polyvinyl chloride polymer (PVC). The first industrial process used to … austin lamWebUSOO6933417 B1 (12) United States Patent (10) Patent No.: US 6,933,417 B1 Henley et al. (45) Date of Patent: Aug. 23, 2005 ETHYLENE WITH PARTIAL CHL is a they et alongs austin larkin bioWebNov 2, 2024 · The use of ethane as a platform molecule for the manufacture of polyvinyl chloride (PVC) is a longstanding challenge, which would allow to reduce the raw material costs and CO 2 emissions to produce this plastic. Herein, we discover that rare earth oxychlorides catalyze in a selective (up to 90 %) and stable (>50 h on stream) manner … garcía sánchez iiWebA dual system comprising two catalytic reactors connected in series was developed for the direct conversion of ethene to vinyl chloride monomer (VCM). The first reactor uses ZrO2 … garcíez jaén